Agee et al. (2012)
Also: Agee et al. 2012
Relationship of Lower-Troposphere Cloud Cover and Cosmic Rays: An Updated Perspective
Agee, E.M., Kiefer, K. & Cornett, E. (2012). Relationship of Lower-Troposphere Cloud Cover and Cosmic Rays: An Updated Perspective. Journal of Climate. 25(3),1057-1060. PDF
https://doi.org/10.1175/jcli-d-11-00169.1
References
All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.